﻿using System;
using System.Collections.Generic;
using System.Web;
using System.Data;
using System.Text;
using System.Web.SessionState;

namespace lcgps.Web.mobileSendInfo
{
    /// <summary>
    /// GetMobile 的摘要说明
    /// </summary>
    public class GetMobile : IHttpHandler, IRequiresSessionState
    {
        lcgps.BLL.mobileSendInfo bll = new lcgps.BLL.mobileSendInfo();        
        public void ProcessRequest(HttpContext context)
        {
            string ac = "";
            if (null != context.Request.Form["action"])
            {//获取前台传来的值  
                ac = context.Request.Form["action"].ToString().Trim();
            }
            else if (null != context.Request.QueryString["action"])
            {
                ac = context.Request.QueryString["action"].ToString().Trim();
            }
            if (ac == "query")
                Query(context);            
            else if (ac == "delete")
            {
                delete(context);
            }
            else if (ac == "pic")
            {
                pic(context);
            }  
            
        }
        public void pic(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            int uid = Web.Admin.myinfo.getID(context);
            if (uid != 0)
            {
                int aid = 0;
                //获取前台传来的值 
                if (null != context.Request.QueryString["KeyId"])
                {//获取前台传来的值  
                    int.TryParse(context.Request.QueryString["KeyId"].ToString().Trim(), out aid);
                }
                if (aid != 0)
                {
                    context.Response.BinaryWrite(bll.GetPic(aid));
                }                
            }
            else
            {
                context.Response.Write("");//返回给前台页面  
                context.Response.End();
            }
        }
        public void delete(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            int uid = Web.Admin.myinfo.getID(context);
            if (uid != 0)
            {
                int aid = 0;                
                //获取前台传来的值 
                if (null != context.Request.QueryString["KeyId"])
                {//获取前台传来的值  
                    int.TryParse(context.Request.QueryString["KeyId"].ToString().Trim(),out aid);                    
                }                
                if (aid!=0)
                {                   
                    
                    if (bll.Delete(aid))
                    {
                        context.Response.Write("T");//返回给前台页面  
                        context.Response.End();
                    }
                    else
                    {
                        context.Response.Write("F");//返回给前台页面  
                        context.Response.End();
                    }
                }
                else
                {
                    context.Response.Write("F");//返回给前台页面  
                    context.Response.End();
                }
            }
            else
            {
                context.Response.Write("L");//返回给前台页面  
                context.Response.End();
            }
        }
        
        public void Query(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            int uid = Web.Admin.myinfo.getID(context);
            if (uid != 0)
            {
                string StartTime = "", EndTime = "";
                if (null != context.Request.Form["StartTime"])
                {//获取前台传来的值  
                    StartTime = context.Request.Form["StartTime"].ToString().Trim();
                }
                if (null != context.Request.Form["EndTime"])
                {//获取前台传来的值  
                    EndTime = context.Request.Form["EndTime"].ToString().Trim();
                }
                string pcid = "";                
                
                if (null != context.Request.Form["pcid"])
                {//获取前台传来的值  
                    pcid = context.Request.Form["pcid"].ToString().Trim();
                }                
                int pageRows, page;
                pageRows = 10;
                page = 1;
                string order, sort, oderby; order = sort = oderby = "";
                if (null != context.Request.Form["rows"])
                {
                    pageRows = int.Parse(context.Request.Form["rows"].ToString().Trim());
                }
                if (null != context.Request.Form["page"])
                {
                    page = int.Parse(context.Request.Form["page"].ToString().Trim());
                }
                if (null != context.Request.Form["sort"])
                {
                    order = context.Request.Form["sort"].ToString().Trim();
                }
                if (null != context.Request.Form["order"])
                {
                    sort = context.Request.Form["order"].ToString().Trim();
                }
                StringBuilder strWhere = new StringBuilder();                
                if (pcid != "")
                {
                    strWhere.AppendFormat("  purchaseid like '%{0}%' and ", pcid);
                }              

                if (StartTime != "")
                {
                    strWhere.AppendFormat(" sendTime>='{0}' and ", StartTime);
                }
                if (EndTime != "")
                {
                    strWhere.AppendFormat(" sendTime<='{0}' and ", EndTime);
                }
                int startindex = strWhere.ToString().LastIndexOf("and");//获取最后一个and的位置  
                if (startindex >= 0)
                {
                    strWhere.Remove(startindex, 3);//删除多余的and关键字  
                }
                if (sort != "" && order != "")
                {
                    oderby = order + " " + sort;
                }
                DataSet ds = bll.GetListByPage(strWhere.ToString(), oderby, (page - 1) * pageRows + 1, page * pageRows);
                int count = bll.GetRecordCount(strWhere.ToString());//获取条数  
                string strJson = ToJson.Dataset2Json(ds, count);//DataSet数据转化为Json数据  
                context.Response.Write(strJson);//返回给前台页面 
            }
            context.Response.End();


        }
       
        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}